package com.itheima.controller;

import com.itheima.pojo.Emp;
import com.itheima.pojo.Result;
import com.itheima.service.EmpService;
import com.itheima.utils.JwtUtils;
import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.Map;

@Slf4j
@RestController
public class LoginController {

    @Autowired
    private EmpService empService;

    @PostMapping("/login")
    public Result login(@RequestBody Emp emp) {
        log.info("login emp: {}", emp);
        // TODO: 校验用户名和密码
        Emp user = empService.login(emp);
        if (user != null) {

            // TODO: 生成token
            Map<String, Object> claims = new HashMap<>();
            claims.put("id", user.getId());
            claims.put("username", user.getUsername());
            String token = JwtUtils.generateToken(claims);

            return Result.success(token);// 返回token
        }
        return Result.error("用户名或密码错误");
    }
}
